Here is dynamic stretch number three of seven. I hope these prep movements are giving you a SPARQ prior to training or competing.
3.) Russian Kicks – Keep your legs straight at all times and maintain an upright posture. Kick as high as possible while keeping the knee slightly bent. Kick your toes to your opposite hand which should be held at shoulder height. Alternate legs while walking for 8-10 reps and then jog it out for 10 yards. This will help target hamstring flexibility
Train Better, Train Speed Boosters.